389590284 has 24 divisors (see below), whose sum is σ = 948568320. Its totient is φ = 124217104.

The previous prime is 389590273. The next prime is 389590301. The reversal of 389590284 is 482095983.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705504 + ... + 706055.

It is an arithmetic number, because the mean of its divisors is an integer number (39523680).

Almost surely, 2^389590284 is an apocalyptic number.

It is an amenable number.

389590284 is an abundant number, since it is smaller than the sum of its proper divisors (558978036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389590284 is a wasteful number, since it uses less digits than its factorization.

389590284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411589 (or 1411587 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 389590284 is about 19738.0415441857. The cubic root of 389590284 is about 730.3584178515.

The spelling of 389590284 in words is "three hundred eighty-nine million, five hundred ninety thousand, two hundred eighty-four".